Sealing heater
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United States of America Patent
Stats
-
Aug 17, 2010
Grant Date -
Jun 19, 2008
app pub date -
Dec 19, 2006
filing date -
Dec 19, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A sealing heater for heat sealing a film onto a multi-compartment container comprises a heating block having a contact surface. The contact surface includes an outer sealing portion and an intermediate sealing portion. The outer sealing seals a film to a perimeter surface of a multi-compartment tray and the intermediate sealing portion seals a film to substantially all of an intermediate surface between the compartments of the multi-compartment tray. The outer sealing portion and the intermediate sealing portion defining recess perimeters in the contact surface that are positioned to correspond substantially to the compartment perimeters in the multi-compartment tray. A heating element is disposed within the heating block for generating heat at the contact surface of the heating block sufficient to heat seal the sealing film to the perimeter surface and the intermediate surface between the compartments of the multi-compartment tray.
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